BuildingCensus
C

Commonwealth Building

Office in Portland, OR · 401-421 SW 6TH AVE

ENERGY STAR score
67
band C · 2024
Site EUI
77.4
kBtu/ft²
GHG emissions
1,303
tCO₂e
GHG intensity
kgCO₂e/ft²
Floor area
224,122
sq ft
Year built
1948
vintage

Commercial Building Energy Performance Reporting Policy · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score67 (band C)
Site EUI77.4 kBtu/ft²
Source EUI
GHG emissions1,303 tCO₂e
GHG intensity
Electricity2,752,737 kWh
Natural gas79,541 therms
Gross floor area224,122 sq ft
Source recordportland_or:1N1E34CC-4300-B1:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest6777.4 kBtu/ft²1,303 tCO₂e
2023

Compliance context

Commercial Building Energy Performance Reporting Policy

Portland requires commercial buildings over 20,000 sq ft to report energy performance annually, with civil penalties for buildings that fail to comply.

Program details →

Ownership

No owner listed in the disclosure.

Own or manage this building? Claim it to correct the record and get compliance alerts.

Location

Address
401-421 SW 6TH AVE
State
Oregon

Within ~1 km

Nearby benchmarked buildings

This source publishes no coordinates, so nearby buildings can't be resolved yet.

See also: most efficient in Portland · biggest emitters

Frequently asked questions

What is Commonwealth Building's energy grade?

Commonwealth Building scores 67 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2024 Portland disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Commonwealth Building use?

Its 2024 site energy-use intensity was 77.4 kBtu/ft² across 224,122 sq ft, including 2,752,737 kWh of electricity and 79,541 therms of natural gas.

What are Commonwealth Building's carbon emissions?

Commonwealth Building reported 1,303 tCO₂e of greenhouse-gas emissions for 2024. Portland requires commercial buildings over 20,000 sq ft to report energy performance annually, with civil penalties for buildings that fail to comply.

Dataset updated . Source: Commercial Building Energy Reporting disclosure, record portland_or:1N1E34CC-4300-B1:2024.